Hi On 10 Jun 2004 at 12:28, Steve Roberts wrote:
> There must be a simple answer. I want to plot an expression, > where the expression is held in a string variable. The "obvious" > solution along the lines of > > ex<-"x^2" > plot( c(0,1), c(0,1), main=as.expression(ex) ) Plotmath example led me to ex<-expression(x^2) plot( c(0,1), c(0,1), main=(ex) ) hope it is what you want. Cheers Petr > > gives me the a title x^2 - ie doesn't treat it like an expression. I > suspect I don't understand expressions properly. For the real problem > I do need to have my expression string in a variable as it is > data-dependent. > > Can someone tell me the magic words? > > Steve > Dr Steve Roberts > [EMAIL PROTECTED] > > Senior Lecturer in Medical Statistics, > CMMCH NHS Trust and University of Manchester Biostatistics Group, 0161 > 275 5192 / 0161 276 5785 > > ______________________________________________ > [EMAIL PROTECTED] mailing list > https://www.stat.math.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html Petr Pikal [EMAIL PROTECTED] ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
